Swapping
From Oracle FAQ
Swapping is the process of moving all the memory blocks of a processes from main memory to swap space to make space for loading other processes into memory. Unnecessary swapping can severely impact on system performance.
Check swap space[edit]
Unix/Linux command to check swap space utilization:
# swapon -s Filename Type Size Used Priority /dev/sdb6 partition 3311900 155444 -1
Also see[edit]
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